Meet Our Team

The entire staff at Dr. Potesta-Knoll's state-of-the-art dental and prosthodontic practice in San Francisco's Marina neighborhood, share a commitment to providing professional, conscientious and friendly service. From the minute patients walk in, through the treatment and cleanings they receive, to booking follow-up appointments on the way out, the blue-chip team aims to please. Each staff member is dedicated to offering the highest level of patient care and services possible.

The administrative team facilitates scheduling and is knowledgeable about dental insurance policies, while the highly-experienced and fully certified staff of dental assistants and hygienists are dedicated to ensuring treatment is safe and comfortable. The entire staff adheres to the strictest protocols of infection control and sterilization, and the dental team are all CPR certified.

In addition, the team is multilingual and willing to communicate with patients in their native language. Those spoken here are English and Spanish.

  • Susan Long

    Susan, the office manager, has been working at the dental practice for over 20 years. She earned a bachelor’s degree in psychology from the University of Southern Maine. Susan loves the location of our dental office – with its amazing view of the San Francisco Bay and Golden Gate Bridges. She also enjoys working with a friendly, highly qualified team, an amazing dentist, and exceptional patients who have become family. Susan is a team player who helps wherever she can and strives to provide the best possible customer service and care.

    Susan grew up in the suburbs of Boston and now resides in Marin County with her husband and children. In her free time, she enjoys painting, skiing, hiking, camping, and exploring with her family.

  • Patty Santos
    Dental Assistant

    Patty has been working in dentistry for over 18 years and joined Dr. Potesta and team in January 2019.

    She feels blessed to be working in this office. She loves being part of the team and attending our wonderful patients.

    Patty most enjoys the social aspects of the job by getting to know the patients, making them feel comfortable before and during their treatment and overall providing outstanding customer service. She truly cares about the patients and the practice.

    Dr. Potesta and team are grateful to have Patty’s great attitude, talent, humor, patience, respect and kindness. They feel she is a big asset and are thankful she joined them.

  • Ligia Marcela Cubas
    RDA, EF
    Registered Dental Assistant

    I was born and raised in El Salvador. I graduated as a Doctor of Dental Surgery, in my country, In 2001.

    I moved to San Francisco In 2002 and have been working in the dental field ever since.

    In my free time I like to spend time with my husband and two children. I also like to work-out and cook.
    I am very proud to be part of a dental team whereby doctors and staff have as their main objective to
    provide comprehensive service to patients.

  • Kayleen Dobner, RDH
    Registered Dental Hygienist


    Kayleen grew up in the Foothills of California. She graduated from Cabrillo College and shortly after moved to San Francisco to pursue her career in Dental Hygiene. In her free time, she enjoys playing volleyball, traveling, and spending time with family and friends. She is passionate about her career in dental hygiene and proud to be at the forefront of preventative dental care. 

  • Maria Aldana
    Lab Technician

    Bio Coming Soon ...

  • Patty Ruiz
    Assistant Manager, Front desk Coordinator

    B󠀠io Coming Soon ...

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Hours of Operation

Our Regular Schedule


8:30 am-5:00 pm


8:30 am-5:00 pm


8:30 am-5:00 pm


8:30 am-5:00 pm